also remove slow tag from resizing tests

cluster/gce/config-test.sh

@@ -368,7 +368,7 @@ if [[ -n "${GCE_GLBC_IMAGE:-}" ]]; then
 fi
 
 if [[ -z "${KUBE_ADMISSION_CONTROL:-}" ]]; then
-  ADMISSION_CONTROL="NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,PodPreset,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,Priority,StorageObjectInUseProtection"
+  ADMISSION_CONTROL="NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,PodPreset,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,Priority,StorageObjectInUseProtection,PersistentVolumeClaimResize"
   if [[ "${ENABLE_POD_SECURITY_POLICY:-}" == "true" ]]; then
     ADMISSION_CONTROL="${ADMISSION_CONTROL},PodSecurityPolicy"
   fi

test/e2e/storage/mounted_volume_resize.go

@@ -35,7 +35,7 @@ import (
 	"k8s.io/kubernetes/test/e2e/storage/utils"
 )
 
-var _ = utils.SIGDescribe("Mounted volume expand[Slow]", func() {
+var _ = utils.SIGDescribe("Mounted volume expand", func() {
 	var (
 		c                 clientset.Interface
 		ns                string

test/e2e/storage/volume_expand.go

@@ -40,7 +40,7 @@ const (
 	totalResizeWaitPeriod = 20 * time.Minute
 )
 
-var _ = utils.SIGDescribe("Volume expand [Slow]", func() {
+var _ = utils.SIGDescribe("Volume expand", func() {
 	var (
 		c           clientset.Interface
 		ns          string
@@ -78,9 +78,8 @@ var _ = utils.SIGDescribe("Volume expand [Slow]", func() {
 
 	It("should not allow expansion of pvcs without AllowVolumeExpansion property", func() {
 		test := testsuites.StorageClassTest{
-			Name:                 "no-expansion",
-			ClaimSize:            "2Gi",
-			AllowVolumeExpansion: false,
+			Name:      "no-expansion",
+			ClaimSize: "2Gi",
 		}
 		regularSC, err := createStorageClass(test, ns, "noexpand", c)
 		Expect(err).NotTo(HaveOccurred(), "Error creating non-expandable storage class")
@@ -88,9 +87,7 @@ var _ = utils.SIGDescribe("Volume expand [Slow]", func() {
 		defer func() {
 			framework.ExpectNoError(c.StorageV1().StorageClasses().Delete(regularSC.Name, nil))
 		}()
-
-		Expect(regularSC.AllowVolumeExpansion).NotTo(BeNil())
-		Expect(*resizableSc.AllowVolumeExpansion).To(BeFalse())
+		Expect(regularSC.AllowVolumeExpansion).To(BeNil())
 
 		noExpandPVC := newClaim(test, ns, "noexpand")
 		noExpandPVC.Spec.StorageClassName = &regularSC.Name
@@ -108,7 +105,7 @@ var _ = utils.SIGDescribe("Volume expand [Slow]", func() {
 
 		By("Expanding non-expandable pvc")
 		newSize := resource.MustParse("6Gi")
-		pvc, err = expandPVCSize(noExpandPVC, newSize, c)
+		noExpandPVC, err = expandPVCSize(noExpandPVC, newSize, c)
 		Expect(err).To(HaveOccurred(), "While updating non-expandable PVC")
 	})
 

test/e2e/storage/volume_provisioning.go

@@ -1063,7 +1063,11 @@ func newStorageClass(t testsuites.StorageClassTest, ns string, suffix string) *s
 	if t.DelayBinding {
 		bindingMode = storage.VolumeBindingWaitForFirstConsumer
 	}
-	return getStorageClass(pluginName, t.Parameters, &bindingMode, ns, suffix)
+	sc := getStorageClass(pluginName, t.Parameters, &bindingMode, ns, suffix)
+	if t.AllowVolumeExpansion {
+		sc.AllowVolumeExpansion = &t.AllowVolumeExpansion
+	}
+	return sc
 }
 
 func getStorageClass(